Java Tutorial/SWT/List Event

Add List selection Listener

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class ListSelectionListenerAdd {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    final List list = new List(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    for (int i = 0; i < 128; i++) {
      list.add("Item " + i);
    }
    list.setBounds(0, 0, 100, 100);
    list.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        String string = "";
        int[] selection = list.getSelectionIndices();
        for (int i = 0; i < selection.length; i++) {
          string += selection[i] + " ";
        }
        System.out.println("Selection={" + string + "}");
      }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

List Default Selection Listener

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class ListDefaultSelectionListener {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    final List list = new List(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    for (int i = 0; i < 128; i++) {
      list.add("Item " + i);
    }
    list.setBounds(0, 0, 100, 100);
    list.addListener(SWT.DefaultSelection, new Listener() {
      public void handleEvent(Event e) {
        String string = "";
        int[] selection = list.getSelectionIndices();
        for (int i = 0; i < selection.length; i++)
          string += selection[i] + " ";
        System.out.println("DefaultSelection={" + string + "}");
      }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}